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• 12.04 disabling wireless via dbus does not work

  - by FlabbergastedPickle

  I am using a proprietary rt3652sta driver for my wireless card. It appears as a ra0 device on the 64-bit Ubuntu 12.04. According to the online documentation the following used to work definitely up to 10.04. dbus-send --system --type=method_call --dest=org.freedesktop.NetworkManager /org/freedesktop/NetworkManager org.freedesktop.DBus.Properties.Set string:org.freedesktop.NetworkManager string:WirelessEnabled variant:boolean:false This however has no effect on the aforesaid wireless card in 12.04. Also, rfkill does not work as it does not even list the wireless button (again, likely due to the wireless driver being proprietary): rfkill list It only lists the hci0 (bluetooth) one and one can block/unblock it accordingly but this has no effect on the wifi. ifup/down also does not work (AFAICT)... And this leaves me with disabling wireless through the network manager applet. However, trying to do so via dbus appears not to work and yet I would like to automate it via a script. Any ideas how I could find out the proper dbus structure for the call? Is this even possible in Ubuntu 12.04?

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• Dual monitors, screen resolution, xorg.conf.d

  - by Flase

  I do a lot of RTFM but this one has got me stuck. I have Ubuntu Studio 12.04 Precise Pangolin with XFCE as its default desktop. My old HIS ATI Radeon 9250 graphics card was adding red crud across the screen with the generic driver, but downloading the proprietary "fglrx" driver makes it work cleanly. The trouble is the Catalyst control centre refuses to recognise my old card so I must do some manual configuring to make sure both the DVI and VGA monitors are capable of the correct screen resolution (both 1280x1024) and a dual display. It used to be easier to just edit the existing xorg.conf file and add another resolution and so forth, but now there are automatic xorg.conf.d directories (more than one) with scant documentation. Creating a generic xorg.conf with a terminal command creates every setting imaginable. What I want to do is create the simplest conf file which just tells the system the following: My VGA monitor can do 1280x1024 60Hz The two monitors together may be 2560x1024 width The VGA monitor on the right I might need to specify Xinerama if it's needed Thank you. I don't think I need to bore you with log files, but please ask for further info. Mike

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• First Installation

  - by Dj Zia

  I had windows xp on my desktop originally. Yesterday we were able to replace this with Ubuntu 12.04 from a thumb drive. The live CD did not work. I am more familiar with the system they introduced me to in School recently. Linux pretty much has similarity all around so I am finding the differences not as much of an issue. So, there were a few issues with the installation and getting Grub to start working. There is the low graphics issue which brings us to the command line basics. I am a little familiar with linux so it isn't too intimidating; I am really good with step by step instructions in simple order. My question is Ubuntu installed with out any basic driver's or generic header's. It also is not connecting my computer to the internet. My system is older not new. For the time it had above average parts. How do I solve the problem of Getting the header's, making sure the right configurations are set, and where do I get the driver's for my white box desktop to run Ubuntu properly? Thank you

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• Ubuntu crashes with menu bar launcher freeze during software centre use

  - by UbunUser

  I recently reinstalled Ubuntu 12.04 LTS on a Dell Studio 1588 64-bit and ran into crashes as I was installing some software on the software centre. Before this, I had display/screen problems that I needed to fix so I will briefly describe that in case it has any connection to the crashes. The problem was of screen crash/flickering (related to ATI Mobility Radeon HD 5400x) when trying to adjust brightness and so I followed guidance from an earlier chain (question 131967) to (a) use jockey to install fglrx update driver (deactivate experimental beta driver) and (b) edit grub to add acpi_backlight=vendor dell_laptop.backlight=0 The crashes that happened (twice, while software centre was just finishing installation in the background) was that all tabs (on open Firefox window) stayed open along with cursor control with mousepad but all menu bars disappeared completely along with the launcher and the keyboard also turned unresponsive. So there seemed to be no way to close windows or shut down the computer except for a forced hard shut down of the system using the start button. This is very similar to Questions #167540 and #298843, which seem to be closed. Why is this happening? Is there some update or fix I need to make? Thanks!

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• opengl libraries for ubuntu running on Virtual Box

  - by vboxuser

  I am having Ubuntu 10.04 running on VirtualBox. Guest additions are installed successfully. But Guest additions do not provide the OpenGL library. To run open GL demo what needs to be installed. Some google links suggest Mesa utils. By my understanding is Mesa utils do not use vbox drivers to achieve hardware acceleration. Ubuntu 10.04 is running on VirtualBox and not on bare metal. The host comprise of Zx400 CPU with nvidia graphics driver. But this is not relevant since I would be using the vbox drivers provided by guest additions on VirtualBox. In this scenario how do I get OpenGL libraries on Ubuntu?. (Specially I am looking for solution other than Mesa, since mesa has support only for VMware and not for VirtualBox) How to get Opengl libraries which use vbox drivers for 3D hardware accleration?? As i already mentioned, ubuntu 10.04 is running on VirtualBox and not on bare metal. the host comprise of Zx400 CPU with nvidia graphics driver. but this is not relevant since i would be using the vbox drivers provided by guest additions on VirtualBox. In this scenario how to i get OpenGL libraries on Ubuntu. (Especially i am looking for solution other than Mesa, since mesa has support only for VMware and not for VirtualBox Thank you

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• Cannot enable Additional drivers for Broadcom in 12.10

  - by Compt

  tl;dr version: Additional Drivers does not work for enabling a driver in Ubuntu 12.10, however it worked in 12.04. I upgraded to Ubuntu 12.10 from 12.04 via a live USB. I did a fresh install to avoid any conflicts. From 12.04 I know that my wireless card has proprietary drivers that could be installed via Additional Drivers. I did eventually find additional drivers in the software sources menu, however when I attempt to switch to Broadcom 802.11 Linux STA wireless driver source from bcmwl-kernel-source, it not only does not work, it in fact disables my wireless completely. The only way to revert this is to restart, and revert back to "do not use the device". Then upon another restart, my wireless will function once again. I was curious if anyone else had this issue, and if there was a fix for it as of yet. I looked on launchpad and it may be a potential bug, but I am unsure. Any help would be greatly appreciated (and sorry for that wall of text). Until then, I'll continue to use my wireless as it is (or revert to 12.04), but I do notice a slower connection without it enabled.

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• virtual box upgrade

  - by Husni

  I did upgrade virtualbox from 4.1 to 4.2 wheneverver I want to load my win xp vdi, it gives me the following error: "Kernel driver not installed (rc=-1908) The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. Please reinstall the kernel module by executing '/etc/init.d/vboxdrv setup' as root. If it is available in your distribution, you should install the DKMS package first. This package keeps track of Linux kernel changes and recompiles the vboxdrv kernel module if necessary." I ran the suggested step to reinstall the kernel module, and the log file files is as follow: Makefile:181: * Error: unable to find the sources of your current Linux kernel. Specify KERN_DIR= and run Make again. Stop. Makefile:181: * Error: unable to find the sources of your current Linux kernel. Specify KERN_DIR= and run Make again. Stop. Makefile:181: * Error: unable to find the sources of your current Linux kernel. Specify KERN_DIR= and run Make again. Stop. I still unable to re-run my win virtual XP vdi file. anyone have a clue?

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• Sharing an internet connection through the Ethernet port

  - by Bob Cunningham

  I have a small living room PC (Bohica, running fully-updated Ubuntu 10.10/Maverick) connected to my HDTV that I use for web browsing and media streaming. It connects via WiFi (wlan0) to my Fedora server (Snafu) that in turn connects to the internet. I use static addressing, and everything has been working fine. I just got a Blu-ray player, and I'd like to give it wired network access to the internet via Bohica's available wired ethernet port (eth0). So far, I haven't been to get eth0 and the network configured to get the Blu-ray player talking to the internet. Here's my wlan0 configuration: ip4 addr: 192.168.0.100 mask: /24 (255.255.255.0) gateway: 192.168.0.4 (fedora box) The Blu-ray player is set to an IP of 192.168.0.98/24, with the same gateway as above. I want eth0 set to an IP of 192.168.0.99/24, but when I do this using nm-connection-editor I lose internet access (the system tries to use eth0 as the default internet access interface). How do I get my blu-ray player to talk to the internet through Bohica, and do so without disrupting my current (working) network? Thanks. Edit: Here's the relevant output from nm-tool with the Blu-ray player connected: $ nm-tool NetworkManager Tool State: connected - Device: eth0 Type: Wired Driver: forcedeth State: disconnected Default: no HW Address: 90:FB:A6:2C:94:32 Capabilities: Carrier Detect: yes Speed: 100 Mb/s Wired Properties Carrier: on - Device: wlan0 [wlan0] Type: 802.11 WiFi Driver: ndiswrapper State: connected Default: yes HW Address: 00:26:5A:C0:D0:05 IPv4 Settings: Address: 192.168.0.100 Prefix: 24 (255.255.255.0) Gateway: 192.168.0.4

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• Webcam doesn't work in Ubuntu 12.10

  - by Kzhi

  I have Gembird cam68ut. On my Ubuntu 12.10 it shows black screen in cheese and guvcview. I tested it in win7, it works fine. Here what I found: It is a uvc compliant camera, I checked on the site: 18ec:3299 USB 2.0 PC Camera (model number QC3231) ArkMicro This webcam is report by lsusb: Bus 001 Device 004: ID 18ec:3299 Arkmicro Technologies Inc. Here is the output of dmesg | tail: uvcvideo: Found UVC 1.00 device USB2.0 PC CAMERA (18ec:3299) uvcvideo: UVC non compliance - GET_DEF(PROBE) not supported. Enabling workaround. input: USB2.0 PC CAMERA as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5:1.0/input/input17 usbcore: registered new interface driver uvcvideo USB Video Class driver (1.1.1) When I run cheese (or guvcview), here what I get in terminal: libv4l2: error turning on stream: No space left on device (cheese:11797): cheese-WARNING **: Internal data flow error. I tried it on different usb slots with the same results The Webcam's microphone works, I can record audio with it Guys, any thoughts on what can be done to make it work?

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• Low Graphics and laggy screen after update to 13.10 from 13.04

  - by Wh0RU

  After updating from 13.04 to 13.10 many of 3D unity stuff has stopped working, I am suing Samsung Series 3 (NP350V5X) Laptop which has Switchable Intel and AMD Radeon HD 7670M GFX. xserver-xorg-video-ati does works but NO 3D support and graphics are very low. [I am currently using this] fglrx & fglrx-updates shows blank screen after Login. Intel Graphic Install doesn't work either (dependency error) Output of $ sudo lshw -c video *-display description: VGA compatible controller product: Thames [Radeon HD 7500M/7600M Series] vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 0 bus info: pci@0000:01:00.0 version: 00 width: 64 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list rom configuration: driver=radeon latency=0 resources: irq:45 memory:e0000000-efffffff memory:c0120000-c013ffff ioport:3000(size=256) memory:c0100000-c011ffff *-display description: VGA compatible controller product: 3rd Gen Core processor Graphics Controller vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:46 memory:bfc00000-bfffffff memory:d0000000-dfffffff ioport:4000(size=64) Similarly $ /usr/lib/nux/unity_support_test -p OpenGL vendor string: VMware, Inc. OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.3, 256 bits) OpenGL version string: 2.1 Mesa 9.2.1 Not software rendered: no Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: yes GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: no Shows no 3D support. Can anyone please guide how to make things working again.

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• Threading models when talking to hardware devices

  - by Fuzz

  When writing an interface to hardware over a communication bus, communications timing can sometimes be critical to the operation of a device. As such, it is common for developers to spin up new threads to handle communications. It can also be a terrible idea to have a whole bunch of threads in your system, an in the case that you have multiple hardware devices you may have many many threads that are out of control of the main application. Certainly it can be common to have two threads per device, one for reading and one for writing. I am trying to determine the pros and cons of the two different models I can think of, and would love the help of the Programmers community. Each device instance gets handles it's own threads (or shares a thread for a communication device). A thread may exist for writing, and one for reading. Requested writes to a device from the API are buffered and worked on by the writer thread. The read thread exists in the case of blocking communications, and uses call backs to pass read data to the application. Timing of communications can be handled by the communications thread. Devices aren't given their own threads. Instead read and write requests are queued/buffered. The application then calls a "DoWork" function on the interface and allows all read and writes to take place and fire their callbacks. Timing is handled by the application, and the driver can request to be called at a given specific frequency. Pros for Item 1 include finer grain control of timing at the communication level at the expense of having control of whats going on at the higher level application level (which for a real time system, can be terrible). Pros for Item 2 include better control over the timing of the entire system for the application, at the expense of allowing each driver to handle it's own business. If anyone has experience with these scenarios, I'd love to hear some ideas on the approaches used.

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• How do I know if I'm getting the most out of my video card?

  - by b.long

  My computer at home is a bit lacking, so I want to make sure I'm getting the most out of it while I can. Generally speaking, here are the specs: 4GB Memory AMD Athlon(tm) 64 X2 Dual Core Processor 5200+ × 2 64-bit Ubuntu The terminal shows me the following: me@home:~$ uname -a Linux home 3.0.0-17-generic #30-Ubuntu SMP Thu Mar 8 20:45:39 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux me@home:~$ lspci | grep VGA 01:00.0 VGA compatible controller: ATI Technologies Inc RV380 [Radeon X600 (PCIE)] me@home:~$ sudo lshw -C video *-display:0 description: VGA compatible controller product: RV380 [Radeon X600 (PCIE)] vendor: ATI Technologies Inc physical id: 0 bus info: pci@0000:01:00.0 version: 00 width: 32 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list rom configuration: driver=radeon latency=0 resources: irq:44 memory:e0000000-efffffff ioport:ac00(size=256) memory:fdef0000-fdefffff memory:fdec0000-fdedffff *-display:1 UNCLAIMED description: Display controller product: RV380 [Radeon X600] vendor: ATI Technologies Inc physical id: 0.1 bus info: pci@0000:01:00.1 version: 00 width: 32 bits clock: 33MHz capabilities: pm pciexpress bus_master cap_list configuration: latency=0 resources: memory:fdee0000-fdeeffff me@home:~$ lspci -nn | grep VGA 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV380 [Radeon X600 (PCIE)] [1002:5b62] The additional drivers menu in System Settings shows me nothing useful and my attempt at installing ATI's Catalyst Control center (drivers that came with the video card) failed. I believe the latest version of Ubuntu at the time was 9.x. What should I do? Install an old version of Ubuntu 9? Use some alternative driver? UPDATE: I might try my hand at a bit from this answer next: "Installing Catalyst Manually (from AMD/ATI's site)" . From a terminal, fgl_glxgears returns *"fgl_glxgears: command not found"*. Any thoughts?

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• Can't get wireless working after installing ubuntu 12.10 on acer aspire 5560-7414

  - by markdel

  I have been struggling all day trying different solutions from different posts on how to get my wifi working but none have worked. Any help would be greatly appreciated. Below are some wireless preferences to help find the problem. mark@mark-Aspire-5560:~$ sudo rfkill list all [sudo] password for mark: 0: acer-wireless: Wireless LAN Soft blocked: no Hard blocked: no 1: brcmwl-0: Wireless LAN Soft blocked: no Hard blocked: no *-network description: Ethernet interface product: NetLink BCM57785 Gigabit Ethernet PCIe vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:01:00.0 logical name: eth0 version: 10 serial: 20:6a:8a:7f:63:82 size: 10Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi msix pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.123 duplex=full firmware=sb ip=158.65.194.244 latency=0 link=yes multicast=yes port=twisted pair speed=10Mbit/s resources: irq:16 memory:f0000000-f000ffff memory:f0010000-f001ffff memory:f0050000-f00507ff *-network description: Wireless interface product: BCM43227 802.11b/g/n vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: eth1 version: 00 serial: 08:ed:b9:01:e0:8b width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=5.100.82.112 latency=0 multicast=yes wireless=IEEE 802.11bgn resources: irq:18 memory:f0100000-f0103fff

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• Why does Unity not extend to my 2nd monitor, even when it is displaying an X-Screen?

  - by Gridwalker

  I recently added a 2nd video card to my system, but unity refuses to extend my desktop over to the second screen. Although the secondary monitor initialises when I boot and I can move the mouse cursor over to the 2nd screen, the screen is otherwise blank (showing no wallpaper or interface elements) and I am unable to move any windows to this monitor. Moving the mouse cursor over to the 2nd monitor changes it from the default cursor to the old-style X cursor, such as the one that appears when you run X-kill, indicating that this screen is initialised in the X Server but that Unity is not recognising it. Although the Nvidia X Server Settings application can see both monitors, the unity systems settings application does not detect the 2nd adapter. Sometimes the additional drivers application can see both adapters, but it doesn't consistently show options for them both. Xrandr also fails to detect the 2nd monitor, but iNex lists both adapters. I have experimented with several different drivers for each adapter and with setting each of the graphics cards as the primary adapter in the BIOS, but this has made little difference. The two adapters are an onboard Geforce 8200 and a PCIE Geforce 7200 GX. The onboard adapter is currently set as the primary, however this adapter crashes whenever I use the Nouveau driver and I have to switch over to the PCIE as a primary whenever I purge the proprietary drivers (switching back when the 304 driver has been reinstalled). It doesn't matter which adapter I set as my primary, the results are the same : one screen showing the unity interface and one screen showing an X-Screen that only displays the mouse cursor. All I want is to be able to run this system in a dual screen configuration. I am not a gamer, nor do I require 3D rendering capabilities. Anything you can suggest to get the desktop to extend across both screens will be massively appreciated!

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• Sound card not detected in 13.04

  - by Ganessh Kumar R P

  I have a problem with my sound card. I don't have volume up or down option anywhere. In the setting -> Sound I don't have any card detected. But when I run the command sudo aplay -l, I get the following output **** List of PLAYBACK Hardware Devices **** Failed to create secure directory (/home/ganessh/.config/pulse): Permission denied card 0: MID [HDA Intel MID], device 0: STAC92xx Analog [STAC92xx Analog] Subdevices: 0/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 And the command lspci -v | grep -A7 -i "audio" outputs 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06) Subsystem: Dell Device 02a2 Flags: bus master, fast devsel, latency 0, IRQ 48 Memory at f0f20000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel 00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06) (prog-if 00 [Normal decode]) -- 02:00.1 Audio device: NVIDIA Corporation GF106 High Definition Audio Controller (rev a1) Subsystem: Dell Device 02a2 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at d3efc000 (32-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel 07:00.0 Network controller: Intel Corporation Ultimate N WiFi Link 5300 So, I assume that the drivers are properly installed but still I don't get any option in the settings or volume control. The same card used to work well back in 2010 versions(04 and 10) Any help is appreciated. Thanks

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• wireless blocked after installing ubuntu 12.04

  - by Cornelia Frank

  I am using a lenovo S10-3 ideapad; had no problems with earlier version of ubuntu, only since installing 12.04. Have looked through many of the questions on the same issue and tried potential solutions but cannot seem to solve my problem. The hardware switch is in 'on' position and the wireless light comes on very briefly (2-3 sec) when the laptop starts up but then goes off and stays off. Pressing FN+F5 does nothing at all. I'd be grateful for any assistance. Cornelia Have received the following responses in Terminal: cf@cf-Lenovo:~$ rfkill list all 0: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: ideapad_bluetooth: Bluetooth Soft blocked: no Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: yes cf@cf-Lenovo:~$ iwconfig lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=off Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off eth0 no wireless extensions. cf@cf-Lenovo:~$ lshw -C network WARNING: you should run this program as super-user. *-network description: Ethernet interface product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:05:00.0 logical name: eth0 version: 02 serial: 00:26:9e:ee:7f:4c size: 100Mbit/s capacity: 100Mbit/s width: 64 bits clock: 33MHz capabilities: bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=N/A ip=10.0.1.8 latency=0 multicast=yes port=MII speed=100Mbit/s resources: irq:43 ioport:2000(size=256) memory:f0520000-f0520fff memory:f0510000-f051ffff memory:f0540000-f055ffff *-network DISABLED description: Wireless interface product: AR9285 Wireless Network Adapter (PCI-Express) vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:09:00.0 logical name: wlan0 version: 01 serial: c4:17:fe:f8:bc:d7 width: 64 bits clock: 33MHz capabilities: bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=ath9k driverversion=3.2.0-31-generic-pae firmware=N/A latency=0 multicast=yes wireless=IEEE 802.11bgn resources: irq:18 memory:f0100000-f010ffff WARNING: output may be incomplete or inaccurate, you should run this program as super-user.

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• How do I left-click a Java Application on a WeTab running Ubuntu 12.10? (workaround defect in Onboard)

  - by Kat Amsterdam

  I installed Ubuntu 12.10 on my weTab. Everything works perfectly (albeit slowly) and I can touch and use every application execpt ones written in Java. When I start any Java Application the touchscreen does not recognize the left click. I believe it's a problem in OnBoard (the onscreen keyboard) because when I touch the mouse icon on the OnBoard and then the Java Application the left click works. This is very cumbersome for every click to first hit OnBoard mouse icon and then button in the Java app I would like to click. It defeats the purpose of a touchscreen. The Java Application is definitly touchable as it's running on 10 other machines with Elo Touchscreen. How do I get Ubuntu to recognize the left click in a java application automatically when I touch the screen? Or a way to dignose this so I can make a clear bug report? This happens in all the desktop environments (Gnome/Unity, XFCE4 and LXDE) I tried with openjdk-6-* and openjdk-7-* Stats: WeTab 32GB 3G 2GB RAM Intel(R) Atom(TM) CPU N450 @ 1.66GHz - 64-bit Ubuntu 12.10 - 64 bit Unity Desktop environment Xubuntu Desktop environment Lubuntu Desktop environment The real touchscreen driver from EETI (eGalaxy) (also didn't work with the Ubuntu standard touchscreen driver)

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• Trying to install Proprietory Nvidia Graphics Drivers

  - by Peter Snow

  After reading and trying many different suggestions for some hours, I returned to this how-to: https://help.ubuntu.com/community/BinaryDriverHowto/Nvidia The first problem I encounter is how to identify which of the listed drivers support my Nvidia GEForce 630M graphics card. Following the links doesn't really help, since it is not stated there either (except where support for a new driver was added later which is explicitly stated, but the original devices covered are not). However, even if I knew, if it doesn't appear in the 'Additional Drivers' dialogue (see below), how will I install it? Second Issue: The article goes on to say that available drivers for my hardware are usually listed in 'Additional Drivers'. In my case, they aren't. Unfortunately, it doesn't tell me how to correct that or work around it? I've checked the bios and there is no way offered there to disable the integrated graphics, only the Nvidia graphics. I've also tried each available option in this: $ sudo update-alternatives --config i386-linux-gnu_gl_conf My system is an Acer Aspire 4752G bought May 2012. I'm running Ubuntu 12.04LTS. uname -a : 3.2.0-38-generic-pae #61-Ubuntu SMP Tue Feb 19 12:39:51 UTC 2013 i686 i686 i386 GNU/Linux It's 64bit hardware but I installed 32bit OS for greater software compatibility. Running $ sudo tail -fn 500 /var/log/Xorg.0.log | grep '(EE)' returns" (WW) warning, (EE) error, (NI) not implemented, (??) unknown. [ 28.886] (EE) Failed to initialize GLX extension (Compatible NVIDIA X driver not found) The reason for wanting the proprietor y drivers is because my laptop comes with 3D accelerated graphics adaptor and so rather than confining myself to struggling with the on-board graphics, I would rather use it. I also want to experiment with using it for bitmining (which uses the GPU's for computing power).

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• wireless is disabled by hardware lenovo 3000g430

  - by sudheer

  sir i have problem with my wifi switch sir please tell me solution for my problem (wifi is disabled by hardware). output of sudo lshw -C network is sudo] password for sudheer: *-network DISABLED description: Wireless interface product: BCM4312 802.11b/g LP-PHY vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:06:00.0 logical name: eth2 version: 01 serial: 00:21:00:72:3a:93 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=5.100.82.38 latency=0 multicast=yes wireless=IEEE 802.11bg resources: irq:19 memory:f4700000-f4703fff *-network description: Ethernet interface product: NetLink BCM5906M Fast Ethernet PCI Express vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:07:00.0 logical name: eth0 version: 02 serial: 00:1e:68:ad:24:0b size: 100Mbit/s capacity: 100Mbit/s width: 64 bits clock: 33MHz capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.121 duplex=full firmware=sb v3.04 ip=172.16.52.79 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s resources: irq:47 memory:f4600000-f460ffff output of iwconfig is lo no wireless extensions. eth2 IEEE 802.11 Access Point: Not-Associated Link Quality:5 Signal level:0 Noise level:0 Rx invalid nwid:0 invalid crypt:0 invalid misc:0 eth0 no wireless extensions. sudheer@sudheer:~$ sudo iwlistscanning sudo: iwlistscanning: command not found ***sudheer@sudheer:~$ sudo iwlist scanning*** lo Interface doesn't support scanning. eth2 Failed to read scan data : Invalid argument eth0 Interface doesn't support scanning.

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• Unity in 12.10 comes up behind other windows

  - by ams

  I've just upgraded from 12.04 to 12.10. For the most part, everything works fine, but I have a few small problems with Unity, or maybe Compiz. When I hit the Super key, or click on the dash launcher, the dash sometimes comes up behind the other windows on the screen. As you can imagine, this makes it somewhat tricky to use. Once it has started coming up behind, no amount of trying again will convince it to come back to the front. Possibly related, the Alt-Tab switcher doesn't show either. It maybe that there isn't one, or maybe that's behind also? Alt-Tab does switch the windows, but there's no visual indicator. When I hit Super-W, the windows do all do the zoom thing, but it's slow and juddery where it used to be smooth in 12.04. I'm using the standard "radeon" driver, same as before, with a triple-head monitor setup (and that works fine). I've not tried the proprietary drivers as I've previously found the multi-monitor support much weaker than the default driver, but maybe that's the way to go now? Video play fine. Even WebGL seems ok. Do other see this problem? Is it a bug? Or have I just got some left-over config from 12.04 in the way?

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• Ubuntu 12.04 Freezes w/ Ethernet Unplugged + Wireless Drops (Acer Aspire 5516)

  - by Grand Master T

  Ubuntu 12.04-12.10 32/64 freezes or won't boot if the Ethernet cable is unplugged and will not hold a wireless connection. Here is my scenario... Laptop: Acer Aspire 5516 Wireless card: Broadcom BCM4312 Ubuntu 12.04 32/64 Issues Unity 3d won't load without the Ethernet cable plugged in. If I let it load with Ethernet plugged in, it will freeze once I disconnect the cable. Unity 2d will load without the Ethernet cable plugged. In Unity 2d, wireless cannot hold a connection. I can connect to a Wireless network, but when I try to use it (i.e. open a browser), it disconnects. I can reconnect by disabling wireless (uncheck Enable Wireless), re-enable wireless, and reconnect. But, it will disconnect again once I start using it. Ubuntu 12.10 Issues Since 12.10 only gives me the option to load 3d (I assume), I experience the same thing as the first issue in 12.04. Attempted Solutions Enable networking/LAN in BIOS Set LAN first in boot priority in BIOS Remove STA wireless driver (bcmwl-kernel-source) and install b43 low power driver (firmware-b43-lpphy-installer). Remove default Network Manager and install Wicd. So far, I have had no luck with fixing this issue. Does anyone have any further suggestions?

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• What is the program "Additional Drivers" (jockey-gtk) talking me about?

  - by Robert Vila

  The program says: "No proprietary drivers are in use on this system" But it doesn't say if it is talking about graphical drivers only or what. Then, it lists two drivers: NVIDIA accelerated graphics driver (version 173). NVIDIA accelerated graphics driver (version current) [recomended] Both have exactly the same description. What is the difference then? When I select the 1st one, it says: "This river is not activated",and there's a button to "activate" it. When I select the 2nd one, it says: "This river is activated but it is not currently in use", and the button is to "remove". So which one is in use? Why or what for should I have activated (enabled) and not in use? If it is in use it is activated? What is the difference between activate and remove? and what is the relationship between installed, activated, in use, enabled and removed, disabled, inactive and not-installed? Why can I activate the inactivated and remove (but not deactivate) the activated that is not in use? All this is very puzzling... What other drivers can I use for an Apple MacBook pro 3,1 and how? I see that there's a nouveau and I heard that there was going to be a new open source even better. > -display > description: VGA compatible controller > product: G84 [GeForce 8600M GT] > vendor: nVidia Corporation

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• Lenovo v570 ubuntu 12.04 wireless hard blocked even when ext. switch is on

  - by user100987

  When I run iwconfig it say's lo and eth0 have no wireless extensions, but wlan0 it says IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=off Retry long limit:7 RTS the:off Fragment the:off Power Management:off and I believe that's my problem, I just don't know how to turn it back on Any help? When I ran lspci | grep Network it gave me this 02:00.0 Network controller: Intell Corporation Centrino Wireless -N + WiMAX 6150 (rev 67) How I know that my wireless is hard blocked because when I run sudo rfkill list all I get 0: Ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: yes when I run lshw -c network I get. *-network DISABLED description: Wireless interface product: Centrino Wireless-N + WiMAX 6150 vendor: Intel Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: mon1 version: 67 serial: 40:25:c2:d2:96:2c width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list logical wireless ethernet physical configuration: broadcast=yes driver=iwlwifi driverversion=3.2.0-32-generic-pae firmware=41.28.5.1 build 33926 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:43 memory:d0500000-d0501fff *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 logical name: eth0 version: 06 serial: f0:de:f1:d7:a0:4d size: 100Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168e-2.fw ip=192.168.0.65 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s resources: irq:41 ioport:2000(size=256) memory:d0404000-d0404fff memory:d0400000-d0403fff

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• AMD E-450 APU with HD-6320 graphics produces jerky videos

  - by user80424

  I try to make videos smooth playing on a Lenovo E325 laptop equipped with AMD E-450 APU. This processor have Ati HD-6320 GPU integrated. I installed ATI proprietary driver (Catalyst 12.04) as described here. Everything went fine and got no errors. However I can not play smooth HD videos. Almost every second frame has been dropped in VLC with hardware acceleration enabled. vainfo shows: libva: VA-API version 0.32.0 Xlib: extension "XFree86-DRI" missing on display ":0". libva: va_getDriverName() returns 0 libva: Trying to open /usr/lib/x86_64-linux-gnu/dri/fglrx_drv_video.so libva: va_openDriver() returns 0 vainfo: VA-API version: 0.32 (libva 1.0.15) vainfo: Driver version: Splitted-Desktop Systems XvBA backend for VA-API - 0.7.8 vainfo: Supported profile and entrypoints VAProfileH264High : VAEntrypointVLD VAProfileVC1Advanced : VAEntrypointVLD fglrxinfo says: display: :0 screen: 0 OpenGL vendor string: Advanced Micro Devices, Inc. OpenGL renderer string: AMD Radeon HD 6320 Graphics OpenGL version string: 4.2.11631 Compatibility Profile Context and fgl_glxgears produces ~250fps. Why are HD video frames dropped? CPU doesn't goes above 50% during playback.

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• Brightness going up to 100% on loading certain websites in Chrome

  - by picheto

  I'm using Google Chrome version 21.0.1180.89 on Ubuntu 12.04 and my laptop is a Sony VAIO VPCCW15FL (spec sheet). My video driver is the propietary "NVIDIA accelerated graphics driver (post-release updates)(version-current updates)". After installing Ubuntu, I discovered that neither the brightness control buttons (hardware) or the brightness slider (software) worked, and found out I could get the hardware buttons to work by installing the nvidiabl.deb package and oBacklight script. I'm using nvidiabl-dkms 0.77 and oBacklight 0.3.8. Still, the slider on the Ubuntu "Settings" does not work, but I don't care. There is an annoying thing happening when loading certain pages in Google Chrome: the brightness goes up to 100% when loading the webpage or when leaving it (closing the tab or typing a different URL on the omnibox). However, the "brightness tooltip" (that default brightness notification) remembers the position it was set to, so if I adjust the brightness with the HW buttons, the level gets adjusted relative to the value it was set to before "going 100%". I disabled the flash PPAPI plugin, but left the NPAPI plugin enabled, and the problem went away for pages with flash content. Still, the same thing happens when viewing HTML5 video, or when loading, for example, the Chrome Web Store or using the Scratchpad extension. I suppose it has to do with the rendering of certain elements using the GPU, but this is just a guess. This brightness thing does not happen when using Firefox 15.0 or any other application I have used yet. Does anybody know why this may be happening and what could I do to fix this without changing browser? Thanks a lot.

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